Worldcup shell-Get the shell used in WC by all our international race athletes. No conpromise to achieve performance

Waterproof gusset-PVC piece between the lower shell's overlap & the forefoot hood, sealing out snow and water

Extended rubber sole

360° Custom Shell

Twinframe

Backbone release-Taken from the X3 Lab, Magnesium piece linking the cuff to the shell providing solid back support & rebound and a progressive forward flex when locked. When unlocked for hiking, releases the cuff on the back for a wider opening and easier hell to toe transition